Deck General USCG Question #1310 (Set 41)

What is the Inert gas plant on an LNG vessel designed to produce?

Official USCG Answer & Rule Citation

Correct Answer: Option C — inert gas and dry air with a minimum dew point of -40°F

LNG vessel inert gas plants must produce high-quality inert gas and dry air with a dew point of -40°F (-40°C) or lower. This extreme dryness prevents moisture condensation and freezing within the cryogenic cargo system, which could otherwise damage valves and piping.

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